Stochastic Solid Motor#

class rocketpy.stochastic.StochasticSolidMotor[source]#

A Stochastic Solid Motor class that inherits from StochasticModel.

See also

Stochastic Model

Variables:

  • object (SolidMotor) – SolidMotor object to be used for validation.

  • thrust_source (list) – List of strings representing the thrust source to be selected.

  • total_impulse (int, float, tuple, list) – Total impulse of the motor in newton seconds.

  • burn_start_time (int, float, tuple, list) – Burn start time of the motor in seconds.

  • burn_out_time (int, float, tuple, list) – Burn out time of the motor in seconds.

  • dry_mass (int, float, tuple, list) – Dry mass of the motor in kilograms.

  • dry_I_11 (int, float, tuple, list) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_22 (int, float, tuple, list) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_33 (int, float, tuple, list) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_12 (int, float, tuple, list) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_13 (int, float, tuple, list) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_23 (int, float, tuple, list) – Dry inertia of the motor in kilograms times meters squared.

  • nozzle_radius (int, float, tuple, list) – Nozzle radius of the motor in meters.

  • grain_number (list[int]) – Number of grains in the motor. This attribute can not be randomized.

  • grain_density (int, float, tuple, list) – Density of the grains in the motor in kilograms per meters cubed.

  • grain_outer_radius (int, float, tuple, list) – Outer radius of the grains in the motor in meters.

  • grain_initial_inner_radius (int, float, tuple, list) – Initial inner radius of the grains in the motor in meters.

  • grain_initial_height (int, float, tuple, list) – Initial height of the grains in the motor in meters.

  • grain_separation (int, float, tuple, list) – Separation between grains in the motor in meters.

  • grains_center_of_mass_position (int, float, tuple, list) – Position of the center of mass of the grains in the motor in meters.

  • center_of_dry_mass_position (int, float, tuple, list) – Position of the center of mass of the dry mass in the motor in meters.

  • nozzle_position (int, float, tuple, list) – Position of the nozzle in the motor in meters.

  • throat_radius (int, float, tuple, list) – Radius of the throat in the motor in meters.

__init__(solid_motor, thrust_source=None, total_impulse=None, burn_start_time=None, burn_out_time=None, dry_mass=None, dry_inertia_11=None, dry_inertia_22=None, dry_inertia_33=None, dry_inertia_12=None, dry_inertia_13=None, dry_inertia_23=None, nozzle_radius=None, grain_number=None, grain_density=None, grain_outer_radius=None, grain_initial_inner_radius=None, grain_initial_height=None, grain_separation=None, grains_center_of_mass_position=None, center_of_dry_mass_position=None, nozzle_position=None, throat_radius=None)[source]#

Initializes the Stochastic Solid Motor class.

See also

Stochastic Model

Parameters:

  • solid_motor (SolidMotor) – SolidMotor object to be used for validation.

  • thrust_source (list, optional) – List of strings representing the thrust source to be selected.

  • total_impulse (int, float, tuple, list, optional) – Total impulse of the motor in newton seconds.

  • burn_start_time (int, float, tuple, list, optional) – Burn start time of the motor in seconds.

  • burn_out_time (int, float, tuple, list, optional) – Burn out time of the motor in seconds.

  • dry_mass (int, float, tuple, list, optional) – Dry mass of the motor in kilograms.

  • dry_I_11 (int, float, tuple, list, optional) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_22 (int, float, tuple, list, optional) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_33 (int, float, tuple, list, optional) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_12 (int, float, tuple, list, optional) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_13 (int, float, tuple, list, optional) – Dry inertia of the motor in kilograms times meters squared.

  • dry_I_23 (int, float, tuple, list, optional) – Dry inertia of the motor in kilograms times meters squared.

  • nozzle_radius (int, float, tuple, list, optional) – Nozzle radius of the motor in meters.

  • grain_density (int, float, tuple, list, optional) – Density of the grains in the motor in kilograms per meters cubed.

  • grain_outer_radius (int, float, tuple, list, optional) – Outer radius of the grains in the motor in meters.

  • grain_initial_inner_radius (int, float, tuple, list, optional) – Initial inner radius of the grains in the motor in meters.

  • grain_initial_height (int, float, tuple, list, optional) – Initial height of the grains in the motor in meters.

  • grain_separation (int, float, tuple, list, optional) – Separation between grains in the motor in meters.

  • grains_center_of_mass_position (int, float, tuple, list, optional) – Position of the center of mass of the grains in the motor in meters.

  • center_of_dry_mass_position (int, float, tuple, list, optional) – Position of the center of mass of the dry mass in the motor in meters.

  • nozzle_position (int, float, tuple, list, optional) – Position of the nozzle in the motor in meters.

  • throat_radius (int, float, tuple, list, optional) – Radius of the throat in the motor in meters.

create_object()[source]#

Creates and returns a SolidMotor object from the randomly generated input arguments.

Returns:

SolidMotor object with the randomly generated input arguments.

Return type:

SolidMotor